Pornography
Though there have been pornographic films featuring gang bangs, they usually involve no more than six to twelve men; a gang bang requires a minimum of three men (two men would be considered a tag team).
Starting with The World's Biggest Gangbang (1995), starring Annabel Chong and Matt Asher, the pornographic industry began producing a series of films ostensibly setting gang bang records for most consecutive sex acts by one person in a short period.
Read more about this topic: Gang Bang